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Farmers report more low back pain (LBP) than rural referents. We have previously demonstrated that the difference in reporting rate cannot be fully explained by known risk factors such as physical work exposures, psychosocial factors and lifestyle. Other etiological factors must be involved. In this cross-sectional population-based study, we investigate LBP comorbidity in terms of coexistent symptoms. A total of 1,013 male farmers, 40-60 years old, and 769 matched rural referents participated in an extensive health survey. Information on causes of primary health care and hospital admissions, symptoms, lifestyle factors, physical work exposures and psychosocial factors were gathered through standardized interviews and questionnaires. In the combined farmer-referent group, the prevalence of LBP was associated with musculoskeletal symptoms other than LBP, chest discomfort, dyspepsia, symptoms from eyes, nose and throat mucous membranes, skin problems, work-related fever attacks, and primary care appointments due to digestive disorders. The associations were independent of age, educational level, smoking habits, body mass index, physical work exposures and psychosocial factors. Presence of both respiratory and digestive disorders doubled the LBP prevalence. Significant associations between LBP and digestive and respiratory disorders were revealed, indicating that LBP and these disease entities may have etiological factors in common.
Introduction and objective. Musculoskeletal disorders are frequently met in dentistry. Objectives. To show the efficiency of rehabilitation and to make correlations among patients’ pain levels, their overall health status, and the number of days of work absenteeism. Materials and method. A total of 390 dentists diagnosed with low back pain, scapulohumeral periarthritis, cervicobrachial neuralgia, hand osteoarthritis, tendinitis or tenosynovitis of the upper limb, carpal tunnel syndrome, spinal deformities and fibromyalgia, were followed in a 2-year prospective study. For each ailment the patients were divided into two groups. Group 1 followed both medical and rehabilitation treatment, while group 2 followed medical treatment. The patients were assessed by the visual analogue scale (VAS), the Health Assessment Questionnaire adapted for Dentists (HAQD) and the number of days of absenteeism. Results. VAS scores did not significantly differ between the two groups at the beginning of the study but were significantly lower at final assessment. HAQD scores were significantly lower at one-year and two-year assessments in Group 1. The number of days of absenteeism did not differ significantly between the two groups at the initial assessment. Nevertheless, the number of days of absenteeism was significantly higher for Group 2 patients at the end of the study. For increased values of the visual analogue scale at the beginning and at the end of the study, the significantly increased numbers of days of absenteeism and of health assessment questionnaire scores were associated. Conclusions: Improvements of functional parameters and increase in work productivity were recorded in dentists who followed physical therapy.
Aim: Several studies suggest that coal miners are under risk of severe health problems such as cardiovascular, pulmonary, neurological, renal, hematological and musculoskeletal disorders. However, there are limited data on biochemical changes in underground workers. In our study we aimed to evaluate the association between serum homocysteine (Hcy), vitamin B12, cystatin C and folate levels in the blood of underground coal miners. Materials and Methods: Eighty one coal miners who work as underground or surface workers were recruited into our study. The study population was divided into two groups: the surface worker group (control group, n=33) and the underground worker group (n=48). The folate, vitamin B12, Hcy, cystatin C levels and body mass indexes (BMI) of both groups were measured and compared. Serum folate, Hcy and vitamin B12 levels were measured with a competitive chemiluminescence immunassay. Serum levels of cystatin C were determined by the latex particle-enhanced turbidimetric method using a cystatin C kit. Urea values were measured with a kinetic method on an automated analyzer. Results: There were no statistically significant differences between the underground workers and surface workers in the urea, cystatin C and vitamin B12 levels. High serum Hcy levels and low folate levels were found in underground workers compared with those in surface workers. The correlation between Hcy and folate levels was also statistically significant. Similarly, there was also a significant correlation between Hcy and vitamin B12, and between Hcy and cystatin C levels. Conclusions: Elevated Hcy levels may be associated with underground working but further research is necessary to understand the relation between elevated Hcy and increased prevalence of health problems in coal miners.
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